-43.69% is the change from 721 to 406
Calculation steps:
[( 406 - 721 ) ÷ 721] x 100 = -43.69%
Formula
Percentage change = [(406 - 721) / 721] x 100
Subtract the new number by the original number
406 - 721 = -315
-315 ÷ 721 = -0.4368932038834951
-0.4368932038834951 x 100 = -43.69%